Hey! I'm working on a yet-to-be-named successor to neopub, which can be found here: libneopub/untitled. It's still an early prototype. If you're interested, do reach out! My contact details can be found on my profile and personal website.
For now, here's the old README:
neopub is a blogging software developed by RobinBoers. It runs micro.geheimesite.nl and is written in PHP. It has a built-in micropub endpoint and sends webmentions. neopub is inspired by neofeed, publog and aaronparecki.com.